//按钮

.button, .btnlink, .filebutton {
  display: inline-block;
  cursor: pointer;
  text-decoration: none;
  line-height: $button-line-height;
  padding: $button-padding;
  margin: $button-margin;
  color: $button-color;
  background: $button-bg;
  vertical-align: middle;
  font-weight: normal;
  @include box-border($button-border, $button-border-radius, $button-box-shadow);
}

.button:hover, .btnlink:hover {
  color: $button-color;
  text-decoration: none;
  background: darken($button-bg, 10%);
  @if $button-border-color != transparent {border-color: darken($button-border-color, 12%);}
}

.b_b {
  display: block;
  width: 100%;
}

.b_s {
  font-size: $font-size-sm;
  padding: $button-padding-sm;
}

.b_l {
  font-size: $font-size-lg;
  padding: $button-padding-lg;
}

.b_tag{
  padding: 1px 3px;
}

.b_ico{
  width: 1.4em;
  height: 1.4em;
  line-height: 1.4em;
  text-align:center;
  padding: 0;
  @include border-radius(50%);
}

.b_hot {
  @include button-color($brand-warning, $color-bg);
}
.b_note {
  @include button-color($brand-info, $color-bg);
}
.b_gray {
  @include button-color($gray-light, $color-bg);
}
.b_success {
  @include button-color($brand-success, $color-bg);
}
.b_error {
  @include button-color($brand-danger, $color-bg);
}
.b_primary {
  @include button-color($brand-primary, $color-bg);
}

.buttons {
  position: relative;
  display: inline-block;
  vertical-align: middle;
  .button {
    position: relative;
    float: left;
    margin: 0;
    + .button {
      @if $button-border != 0 {margin-left: -$button-border;}
    }
    &:not(:first-child):not(:last-child) {
      border-radius: 0;
    }
    &:first-child:not(:last-child) {
      border-top-right-radius: 0;
      border-bottom-right-radius: 0;
    }
  }
  > .button:last-child:not(:first-child) {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
  }
}